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Pressure induced structural phase transition and elastic properties of barium and cerium selenide

Kuldeep Kholiya, Jeewan Chandra, Monika Goyal, B.R.K.Gupta

In the present investigation the B1-B2 structural phase transition and elastic properties of BaSe and CeSe has been predicted using the simple potential model considered third nearest neighbor interaction. The calculated values of B1-B2 phase transition pressure, equation of state (Compression curve), bulk modulus, its first order pressure derivative and second order elastic constants are given along with the available experimental and other theoretical values. The results achieved in the present study are found in good agreement with the available experimental data.